Job Information
ManTech Senior Linux Systems Administrator in Las Cruces, New Mexico
MANTECH seeks a motivated, career and customer-oriented Senior Linux Systems Administrator to join our team in either Las Cruces, New Mexico or Denver, CO . In this role, you will support mission-critical infrastructure by designing, implementing, and maintaining enterprise Linux environments. You will work closely with cross-functional teams to ensure systems are secure, reliable, and optimized while also helping mentor junior administrators and contribute to infrastructure modernization initiatives.
Responsibilities include but are not limited to:
Designing, implementing, and maintaining enterprise Linux environments with a focus on Red Hat Enterprise Linux (RHEL)
Developing and maintaining infrastructure automation using tools such as Puppet, Ansible, or similar platforms
Managing physical and virtual server infrastructure across data center environments
Leading infrastructure projects and initiatives from planning through implementation
Mentoring junior administrators and providing technical guidance across the team
Performing hardware installations, upgrades, troubleshooting, and maintenance within data center facilities
Implementing security best practices, monitoring system performance, and optimizing system availability
Minimum Qualifications:
8+ years of relevant technical experience to include Linux system administration experience with a strong focus on Red Hat Enterprise Linux (RHEL) and hands-on infrastructure support in enterprise environments
Proven experience with configuration management and automation tools such as Puppet, Ansible, Chef, or SaltStack
Hands-on experience supporting data center operations including server hardware installation and troubleshooting
Demonstrated experience mentoring junior administrators or serving in a senior technical or team leadership capacity
Strong troubleshooting, system performance tuning, and infrastructure support experience
Preferred Qualifications:
Candidates who bring additional DevOps, cloud, or containerization experience will be well positioned to support evolving infrastructure initiatives.
Experience with container technologies such as Docker, Podman, or Kubernetes
Familiarity with CI/CD pipelines and DevOps practices
Experience with enterprise monitoring and alerting tools such as Nagios, Zabbix, or Prometheus
Experience supporting or integrating with cloud platforms such as AWS, Azure, or Google Cloud Platform
Clearance Requirements:
- An active TS/SCI with Polygraph is required.
Physical Requirements:
Must be able to remain in a stationary position 50% of the time.
Needs to occasionally move about inside the office or data center environment to access equipment, racks, and hardware systems.
Frequently communicates with co-workers, management, and customers, which may involve delivering technical updates or briefings. Must be able to exchange accurate information in these situations.
MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.